import json

from kafka import KafkaProducer
from shared.events import BOOTSTRAP_SERVERS, make_event, TOPIC_ORDERS

class OrderProducer:
    def __init__(self):
        self.producer = KafkaProducer(
            bootstrap_servers=BOOTSTRAP_SERVERS,
            key_serializer= str.encode, # convertir en bytes "3" -> b"3"
            value_serializer=lambda v: json.dumps(v).encode(),
            acks= "all"
        )

    def publish_order_created(self, order: dict):
        event = make_event(
            "order_created",
            order
        )

        self.producer.send(
            TOPIC_ORDERS,
            value=event
        )

        self.producer.flush()